.footer {
    display: flex;
    align-items: center;
    height: 100px;
    border-top: 3px solid #fff;
    text-align: center;
    line-height: 100px;
    color: #fff;

}

.footer-center {
    width: 1226px;
    height: 100px;
    margin: 0 auto;
}